Finding the Fourth Proportional to 12,785.14, 17,642.37 and 7,119.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,785.14 : 17,642.37 = 7,119.46 : x
2. Step 2: Convert to fraction form
   12,785.14/17,642.37 = 7,119.46/x
3. Step 3: Cross multiply
   12,785.14x = 17,642.37 × 7,119.46
4. Step 4: Simplify right side
   12,785.14x = 125,604,147.52
5. Step 5: Solve for x
   x = 125,604,147.52/12,785.14
6. Step 6: Final answer
   x = 9,824.23